变化: 1.(事物在形态或本质上产生新的状况) change; variety; transformation; variation; varying; alleosis; variance; alteration; modification 短语和例子化学变化 chemical change; 物理变化 physical change; 气温的变化 variations of t
阶: 名词1.(台阶) steps; stairs 短语和例子石阶 stone stairs; 台阶 a flight of steps2.(等级) rank 短语和例子军阶 military rank3.[医学] (耳蜗的三个螺旋管的任一个) scala 短语和例子中阶 scala media4.[数学] order 短语和例子非整数阶 non-integral order;
